<template>
  <div class="login-container">
    <div class="title-container">
      <img src="http://destiny001.gitee.io/admin-dist/img/logo.b5a855ee.png" alt="">
    </div>
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" auto-complete="on" label-position="left">

      <el-form-item prop="username">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="username"
          v-model.trim="loginForm.username"
          placeholder="用户名"
          name="username"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model.trim="loginForm.password"
          :type="passwordType"
          placeholder="密码"
          name="password"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
        </span>
      </el-form-item>

      <el-form-item class="btn">
        <el-button type="primary" @click="login">登录</el-button>
        <el-button type="info" @click="Reset">重置</el-button>
      </el-form-item>

    </el-form>
  </div>
</template>

<script>

export default {
  name: 'Login',
  data() {
    return {
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      loginRules: {
        username: [
          { required: true, trigger: 'blur', message: '请输入用户名' },
          { pattern: /^[a-z0-9]{5,10}$/i, message: '用户名格式不正确', trigger: 'blur' }
        ],
        password: [
          { required: true, trigger: 'blur', message: '请输入密码' },
          { min: 5, max: 12, message: '密码必须为6-12位数字', trigger: 'blur' }
        ]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  methods: {
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    // 重置按钮
    Reset() {
      this.loginForm.username = 'admin'
      this.loginForm.password = '123456'
    },
    // 登录按钮
    async login() {
      await this.$store.dispatch('user/login', this.loginForm)
      this.$router.push('/')
      this.$message({
        message: '登陆成功',
        type: 'success'
      })
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg:#283443;
$light_gray:#fff;
$cursor: #333;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    height: 40px;
    color: #454545;
    background-color: #fff;
    border: 1px solid #DCDFE6;

    &:last-child{
      border:none
    }

    .el-form-item__content{
      height: 40px;
      .svg-container{
        height: 40px;
        padding: 0;
        padding-left: 5px;
      }
      .el-input{
        height: 40px;
        .el-input__inner{
          color: #333;
          height: 40px;
          padding: 0;
        }
      }
      .show-pwd{
        top: 0;
      }
    }
  }
}
</style>

<style lang="scss" scoped>
$bg:#2b4b6b;
$dark_gray:#889aa4;
$light_gray:#eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 450px;
    height: 300px;
    max-width: 100%;
    padding: 0 25px;
    margin: 0 auto;
    margin-top: 210px;
    padding-top: 110px;
    background-color: #fff;
    .btn{
      display: flex;
      justify-content: flex-end;
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
        background-color: #fff;
    position: absolute;
    left: 50%;
    top: 28%;
    z-index: 99;
        transform: translate(-50%,-50%);
    height: 152px;
    width: 152px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
        box-shadow: 0 0 10px #ddd;
  img{
        width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #eee;
  }
    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
